Roy Millen is a partner who practises in the areas of Aboriginal law, international trade and litigation at Blake, Cassels & Graydon LLP. In Aboriginal law, advises on energy, mining and other major projects across Canada. Negotiates impact benefit agreements, and other arrangements with First Nations. Assists clients in navigating regulatory processes and defends proponents from litigation challenges brought by Aboriginals. Has acted as lead counsel before the Supreme Court of Canada, other courts and arbitration panels regarding a broad spectrum of Aboriginal, trade and commercial issues. Former Adjunct Professor at UBC Law School, past Chair of the Canadian Bar Association (BC Branch) Aboriginal Law Section, and past Chair of the Canadian Bar Association Supreme Court of Canada Liaison Committee. Served as law clerk to Chief Justice Beverley McLachlin of the Supreme Court of Canada in 1999–2000. Admitted to the BC Bar in 2001 and Saskatchewan Bar in 2012.